OT-2026-000038253
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000038253) never changes.
Identity and time
| Publication number | OT-2026-000038253 · never reused |
|---|---|
| Internal UUID | 01a0ae78-2d51-7014-8577-b632b9b7506d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:06.661829Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3071ffbbbfbad2c4cbb43e8e8a8f27eab29ef007c607d977c01d2128bb712fb6 |
|---|---|
| Markdown | 361c0a754909e0372453d1e84f2c1699900fede75b78e523d1b579802aedc50e |
| Publication page | daadd25819531402982ee26a9eb22db1a66dd65754f42c12e138d3c594aa617d |
| Manifest | 743271075d1094db19182e1f7767f433d3c73d483d84883fb4098bc7ec8fa18c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | E1lgjx0Lcn/bGlQw8UKGzgQ+1A46S53vqjdZR2wBTDRPudiTwQKBi8EdUAwFmoRjWlJ0NBdWRrpqb4eYUMbuCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:22:24.461697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038253observed daadd25819531402982ee26a9eb22db1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:22:24.443517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038253/manifest.jsonobserved 743271075d1094db19182e1f7767f433...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:22:24.426311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038253/publication.mdobserved 361c0a754909e0372453d1e84f2c1699...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:22:24.408419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038253/publication.txtobserved 3071ffbbbfbad2c4cbb43e8e8a8f27ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|